import type { ColorValue, WebGLRenderer } from '../../core';
import type { EffectProperties, Node, Viewport } from '../main';
import { Color } from '../../core';
import { Effect } from '../main/Effect';
import { Material } from '../resources';
export interface ColorOverlayEffectProperties extends EffectProperties {
    colors: ColorValue[];
    alpha: number;
}
export declare class ColorOverlayEffect extends Effect {
    static material: Material;
    colors: ColorValue[];
    alpha: number;
    protected _color: Color;
    constructor(properties?: Partial<ColorOverlayEffectProperties>, children?: Node[]);
    apply(renderer: WebGLRenderer, source: Viewport): void;
}